Their other employees/accounts include:
- http://news.ycombinator.com/submitted?id=11031a
- http://news.ycombinator.com/submitted?id=ukdm
- http://news.ycombinator.com/submitted?id=adeelarshad82 (their social media manager)
- http://news.ycombinator.com/submitted?id=russellholly
Then there's also maxko87 and evo_9 but I haven't figured out what their connection is yet, maxko87 autosubmits extremetech articles and evo_9's usage mirrors ukdm's who submits ~50% geek.com + ~50% a small group of other sites, but for extremetech.